The Dura-Ace 7900 groupset is the ultimate combination of state-of-the-art technology, lightweight design and innovative appearance. It sets a new standard in road racing technology, in which details are nowadays more important than ever.

Shimano Dura-Ace was engineered to help competitive road cyclists win races. To do this, Dura-Ace incorporates high precision mechanisms that provide amazingly sensitive controlled response and excellent power transfer efficiency.

Advanced low-mass designs reduce weight while still delivering the absolute dependability that racers demand. The Shimano Dura-Ace advantage has been proven on great road courses the world over.